Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent
1999-12-14
2000-12-19
Philogene, Haissa
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Plural load device systems
315312, 315158, 315224, 362800, 362235, G05F 100
Patent
active
061619108
ABSTRACT:
An LED reading light assembly has an optical assembly, a power circuit board, a housing, and a control system. The optical assembly includes a holographic lens and an LED assembly comprising an LED circuit board and a plurality of LED's disposed on the outward facing side of the LED circuit board. The power circuit board provides a constant source of electric current to power the LED's. The housing includes a housing plate disposed behind the LED circuit board and a black anodized fin plate. The control system includes a temperature protection circuit monitoring the ambient temperature at the LED assembly during operation and adjusting the power supplied to the LED's to maintain the ambient temperature within a selected temperature range.
REFERENCES:
patent: 4947291 (1990-08-01), McDermott
patent: 4963798 (1990-10-01), McDermott
patent: 5038255 (1991-08-01), Nishihashi et al.
patent: 5390092 (1995-02-01), Lin
patent: 5580163 (1996-12-01), Johnson, II
patent: 5632551 (1997-05-01), Roney et al.
patent: 5765940 (1998-06-01), Levy et al.
patent: 5782555 (1998-07-01), Hochstein
patent: 5785418 (1998-07-01), Hochstein
patent: 5857767 (1999-01-01), Hochstein
patent: 6045240 (2000-04-01), Hochstein
Gloisten Jennifer L.
Pawelko Tolek
Reisenauer William E.
Aerospace Lighting Corporation
Philogene Haissa
LandOfFree
LED reading light does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with LED reading light, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and LED reading light will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-265707